# !/usr/bin/env python
# coding:utf-8
"""
    Author = 上善若水(QQ:564667570)
    Affiliation = Institute of Subtropical Agriculture, Chinese Academy of Sciences
    Time = '2018-3-27, 20:05'
"""

# 数据运算、矩阵运算
import numpy as np
import pandas as pd
from pandas import Series, DataFrame

